The database server stores, organizes and manages data in a structured way, making it easier to manage and understand, and ensuring data consistency, sharing, security, efficient query and retrieval, integrity, backup and recovery. Database servers provide critical support for secure, reliable storage and efficient management of data. Securing the database server is important because databases often store sensitive information about your organization. The following are some common security measures for database servers.

Access control

Restrict access to the database to only authorized users and applications. Use a strong password policy and update your passwords regularly.

Authentication and authorization

Force user authentication to ensure that only authorized users can perform certain database operations. Use the principle of least permission to provide users with the minimum necessary permissions to reduce potential risks.

encipher

Use encryption to protect sensitive data in transit and storage. The SSL/TLS protocol is used to securely transfer data, while database fields or entire databases can also be encrypted.

Audit and monitoring

Enable the audit function to record database operations, login attempts, and other important events. Monitor database activity and detect abnormal behavior in a timely manner.

Updates and patches

Apply security updates and patches to database software and operating systems in a timely manner to fix known vulnerabilities and close security gaps.

Network security

Restrict unauthorized access to the database server through network security measures, such as firewalls, virtual private networks. Avoid exposing database servers directly to the public network.

Database audit and regulatory tools

Use specialized database auditing and regulatory tools that provide more granular auditing and monitoring to detect potential security threats.

Backup and recovery

Back up your database regularly to ensure rapid recovery in the event of data loss or corruption. Test and verify the validity of the backup.

Enhance operating system security

Strengthen the security of the operating system where the database server resides, including shutting down unnecessary services and configuring proper access control and logging.

Update default Settings

Modify the default Settings and configuration of the database to reduce the potential attack surface. For example, modify the default port and disable unnecessary functions.

Physical security

Secure physical access to database servers, ensuring that only authorized personnel have access to server hardware.

Training and awareness

Security training for database administrators and users to increase their awareness of security best practices and reduce internal risks.

The combined application of these security measures can help ensure the security of the database server, reducing potential risks and the possibility of data breaches.